Finding the Fourth Proportional to 322,138.05, 444,772.92 and 201,333.66
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Solution
The fourth proportional to 322,138.05, 444,772.92 and 201,333.66 is: 277,979.46
Step by Step Solution
- Step 1: Write the proportion equation
322,138.05 : 444,772.92 = 201,333.66 : x - Step 2: Convert to fraction form
322,138.05/444,772.92 = 201,333.66/x - Step 3: Cross multiply
322,138.05x = 444,772.92 × 201,333.66 - Step 4: Simplify right side
322,138.05x = 89,547,759,852.49 - Step 5: Solve for x
x = 89,547,759,852.49/322,138.05 - Step 6: Final answer
x = 277,979.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.